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linked list: simplify settings next/prev node

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https://forum.lvgl.io/t/data-abort-at-start-lvgl-v7-0-compiled-with-full-speed-optimisation-only/2286/25
This commit is contained in:
Gabor Kiss-Vamosi
2020-06-02 08:44:04 +02:00
parent 28f4092247
commit 542fa7e76d
1 changed files with 7 additions and 10 deletions
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17
src/lv_misc/lv_ll.c
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@@ -401,14 +401,13 @@ static void node_set_prev(lv_ll_t * ll_p, lv_ll_node_t * act, lv_ll_node_t * pre
if(act == NULL) return; /*Can't set the prev node of `NULL`*/ if(act == NULL) return; /*Can't set the prev node of `NULL`*/
uint8_t * act8 = (uint8_t *) act; uint8_t * act8 = (uint8_t *) act;
uint8_t * prev8 = (uint8_t *) &prev;
act8 += LL_PREV_P_OFFSET(ll_p); act8 += LL_PREV_P_OFFSET(ll_p);
uint32_t i; lv_ll_node_t ** act_node_p = (lv_ll_node_t **) act8;
for(i = 0; i < sizeof(lv_ll_node_t *); i++) { lv_ll_node_t ** prev_node_p = (lv_ll_node_t **) &prev;
act8[i] = prev8[i];
} *act_node_p = *prev_node_p;
} }
/** /**
@@ -421,12 +420,10 @@ static void node_set_next(lv_ll_t * ll_p, lv_ll_node_t * act, lv_ll_node_t * nex
{ {
if(act == NULL) return; /*Can't set the next node of `NULL`*/ if(act == NULL) return; /*Can't set the next node of `NULL`*/
uint8_t * act8 = (uint8_t *) act; uint8_t * act8 = (uint8_t *) act;
uint8_t * prev8 = (uint8_t *) &next;
act8 += LL_NEXT_P_OFFSET(ll_p); act8 += LL_NEXT_P_OFFSET(ll_p);
lv_ll_node_t ** act_node_p = (lv_ll_node_t **) act8;
lv_ll_node_t ** next_node_p = (lv_ll_node_t **) &next;
uint32_t i; *act_node_p = *next_node_p;
for(i = 0; i < sizeof(lv_ll_node_t *); i++) {
act8[i] = prev8[i];
}
} }